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|United States Patent||5,499,330|
|Lucas , et al.||March 12, 1996|
A system for displaying documents on a computer controlled display device is disclosed. The system displays documents either in a completely free-form, user controlled configuration or as strands, such that documents in a strand follow a strand path. The strand path is a two dimensional line through a three dimensional display space. The documents displayed on the strand are known as child documents, and each strand also has a parent document. Various constraints defining the strand are associated with the parent document, including a strand function defining the strand path, minimum and maximum separation constraints defining the distance between the child documents on the strand, and an origin constraint defining the positional relationship of the strand path to the screen object of the parent document.
|Inventors:||Lucas; Peter (Pittsburgh, PA), Senn; Jeffrey A. (Pittsburgh, PA)|
Digital Equipment Corp.
|Filed:||September 17, 1993|
|Current U.S. Class:||715/205 ; 707/E17.008; 707/E17.082; 715/764; 715/848; 715/854; 715/863|
|Current International Class:||G06F 17/30 (20060101); G06F 3/033 (20060101); G06F 015/00 ()|
|Field of Search:||395/133,134,144-148,153-155,159-161 364/419.1,419.19|
|5132900||July 1992||Gilchrist et al.|
|5204812||April 1993||Kasiraj et al.|
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|5303388||April 1994||Kreitman et al.|
|5317686||May 1994||Salas et al.|
|5339390||August 1994||Robertson et al.|
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